Lampshade



FIG. 1 is a perspective view of a lampshade according to my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a fight side elevation view thereof;

FIG. 7 is an additional perspective view thereof;

FIG. 8 is an additional top plan view thereof;

FIG. 9 is an additional front elevation view thereof;

FIG. 10 is an additional rear elevation view thereof;

FIG. 11 is an additional left side elevation view thereof; and,

FIG. 12 is an additional right side elevation view thereof.

The broken line disclosure represents elements which form no part of the claimed design. 

CLAIM The ornamental design for a lampshade, as shown and described. 